AUTOMATIC PARALLEL ADJUSTING SCRAPER
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United States of America Patent
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N/A
Issued Date -
Dec 1, 2011
app pub date -
Apr 23, 2011
filing date -
May 25, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An automatic parallel adjusting scraper includes a drive-force generating part, a transmitting part, a hinge part and a scraping part. The drive-force generating part generates a first step drive force. The transmitting part is movably coupled to the drive-force generating part and transmits the first step drive force to the hinge part. The hinge part is rotatably coupled to the transmitting part and transmits the first step drive force to the scraping part. The scraping part having teeth is coupled to the hinge part. The scraping part is brought into parallel contact with a curved surface of a light guide plate by the first step drive force. Therefore, the automatic parallel adjusting scraper can precisely trace a three-dimensional curved surface of the light guide plate in two steps so that the optical scattering pattern can be continuously and precisely formed on the surface of the light guide plate.
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